[中   文] WCB—外沉淀杯是通过液体循环，将井内较小的颗粒，铁屑冲洗上来，沉淀在杯内腔中，该沉淀杯可配合铣磨类工具同时使用。

[English] WCB-outer settling cup, through circulation of liquid, rinses up smaller particles and scrap irons in oil well and settles them in the inner cavity of cup. The settling cup can be used at the same time for being concerted with the milling/grinding tools.